CONTINUOUS PRODUCTION OF CARBON FIBER
PROBLEM TO BE SOLVED: To obtain carbon fiber capable of oxidizing and carbonizing fiber yarn in just proportion within a short time and largely improving operability and useful for composite materials by interlacing and joining carbonizable fiber yarns, applying an oxidation reaction promoter to the...
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| creator | OZAKI KEIICHIRO SHIRAKATA MORIAKI KATSURA SOICHIRO |
| description | PROBLEM TO BE SOLVED: To obtain carbon fiber capable of oxidizing and carbonizing fiber yarn in just proportion within a short time and largely improving operability and useful for composite materials by interlacing and joining carbonizable fiber yarns, applying an oxidation reaction promoter to the joined part and carbonizing the fiber yarn under specific conditions. SOLUTION: The ends of carbonizable fiber yarn such as acrylic, cellulosic, polyvinyl alcohol-based or pitch-based fiber yarn are superposed in a length of 10-60 cm, preferably 30-40 cm and the fiber yarns are mutually interlaced and joined and then, oxidation reaction promoter of sulfite is applied to the joined part and further, the fiber yarn is subjected to oxidation treatment in an oxidation reaction furnace and carbonized to provide the objective carbon fiber. Furthermore, interlacing of the fiber yarn is preferably carried out by pressurized gas and the oxidation reaction promoter is preferably applied in a range of 15-20 wt.% to the fiber yarn. |
| format | Patent |
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SOLUTION: The ends of carbonizable fiber yarn such as acrylic, cellulosic, polyvinyl alcohol-based or pitch-based fiber yarn are superposed in a length of 10-60 cm, preferably 30-40 cm and the fiber yarns are mutually interlaced and joined and then, oxidation reaction promoter of sulfite is applied to the joined part and further, the fiber yarn is subjected to oxidation treatment in an oxidation reaction furnace and carbonized to provide the objective carbon fiber. Furthermore, interlacing of the fiber yarn is preferably carried out by pressurized gas and the oxidation reaction promoter is preferably applied in a range of 15-20 wt.% to the fiber yarn.</description><edition>7</edition><language>eng</language><subject>APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS ; FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE ; MECHANICAL FINISHING OF YARNS OR ROPES ; NATURAL OR ARTIFICIAL THREADS OR FIBRES ; SPINNING ; TEXTILES ; WARPING OR BEAMING ; YARNS</subject><creationdate>2000</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20001205&DB=EPODOC&CC=JP&NR=2000336528A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20001205&DB=EPODOC&CC=JP&NR=2000336528A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OZAKI KEIICHIRO</creatorcontrib><creatorcontrib>SHIRAKATA MORIAKI</creatorcontrib><creatorcontrib>KATSURA SOICHIRO</creatorcontrib><title>CONTINUOUS PRODUCTION OF CARBON FIBER</title><description>PROBLEM TO BE SOLVED: To obtain carbon fiber capable of oxidizing and carbonizing fiber yarn in just proportion within a short time and largely improving operability and useful for composite materials by interlacing and joining carbonizable fiber yarns, applying an oxidation reaction promoter to the joined part and carbonizing the fiber yarn under specific conditions. SOLUTION: The ends of carbonizable fiber yarn such as acrylic, cellulosic, polyvinyl alcohol-based or pitch-based fiber yarn are superposed in a length of 10-60 cm, preferably 30-40 cm and the fiber yarns are mutually interlaced and joined and then, oxidation reaction promoter of sulfite is applied to the joined part and further, the fiber yarn is subjected to oxidation treatment in an oxidation reaction furnace and carbonized to provide the objective carbon fiber. 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SOLUTION: The ends of carbonizable fiber yarn such as acrylic, cellulosic, polyvinyl alcohol-based or pitch-based fiber yarn are superposed in a length of 10-60 cm, preferably 30-40 cm and the fiber yarns are mutually interlaced and joined and then, oxidation reaction promoter of sulfite is applied to the joined part and further, the fiber yarn is subjected to oxidation treatment in an oxidation reaction furnace and carbonized to provide the objective carbon fiber. Furthermore, interlacing of the fiber yarn is preferably carried out by pressurized gas and the oxidation reaction promoter is preferably applied in a range of 15-20 wt.% to the fiber yarn.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE MECHANICAL FINISHING OF YARNS OR ROPES NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES WARPING OR BEAMING YARNS |
| title | CONTINUOUS PRODUCTION OF CARBON FIBER |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-07T16%3A31%3A20IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=OZAKI%20KEIICHIRO&rft.date=2000-12-05&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJP2000336528A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |